body{
    min-width: 320px;
    max-width: 540px;
    /* margin: 0 auto; */
    font: normal 14px/1.5 Tahoma,;
    background: #f2f2f2;
    color: #000;
    overflow-x: hidden;
    -webkit-tap-highlight-color: transparent;
}
div{
    box-sizing: border-box;
}
.search-index{
    position: relative;
    display: flex;
    /*固定定位与父级没有关系，他以屏幕为准*/
    position: fixed;
    top: 0;
    left: 50%;
    /*固定的盒子有宽度*/
    transform: translateX(-50%);/*走自己宽度的一半*/
    width: 100%;
    min-width: 320px;
    max-width: 540px;
    height: 44px;
    /* background-color: pink; */
    
}
.search-ipt{
    height: 26px;
    border: 1px solid #ccc;
    flex: 1;
    margin: 7px 10px;
    border-radius: 5px;
    color: #ccc;
    font-size: 12px;
    line-height: 26px;
    padding-left: 20px;
}
.search-ipt::before{
    content: '';
    position: absolute;
    top: 7px;
    left: 7px;
    height: 15px;
    width: 15px;
    margin: 5px 5px;
    background: url(../images/sprite.png) no-repeat -59px -279px ;
    background-size: 104px auto;
}
.search-index .user{
    /* display: block; */
    height: 44px;
    width: 44px;
    font-size: 12px;
    text-decoration: none;
    text-align: center;
    color: #ccc;
    /* background-color: blue; */
}
.user::before{
    content: "";
    display: block;
    width: 23px;
    height: 23px;
    background: url(../images/sprite.png) no-repeat -59px -194px;
    background-size: 104px auto;
    margin: 5px auto 0;

}
.focu{
    padding-top: 44px;
}
.focu img{
    width: 100%;
    margin: 0 auto;
}
.local-nav {
    display: flex;
}
.local-nav div{
    width: 20%;
    background-color:pink; 
}